Question 1

The loss of water by evaporation from a leaf is termed

Accepted Answer

A)  transpiration.
B)  perspiration.
C)  transduction.
D)  translocation.
E)  transcription.F) A) and B)
G) B) and D)

Question 2

For water transport to occur there must be

Accepted Answer

A)  palisade and spongy mesophyll.
B)  sugar in the phloem.
C)  atmospheric pressure available to do the work.
D)  low pressure in the roots and high pressure in the leaves.
E)  a continuous column of water in xylem and transpiration of water at the leaves.F) A) and C)
G) A) and B)

Question 3

Root hairs are found in which area of the root?

Accepted Answer

A)  zone of maturation
B)  zone of elongation
C)  zone of cell division
D)  apical meristem
E)  root capF) A) and B)
G) D) and E)

Question 4

The waxy material known as the Casparian strip is found on

Accepted Answer

A)  the cuticle.
B)  xylem vessels.
C)  the vascular cambium.
D)  endodermal cells.
E)  epidermal cells.F) A) and B)
G) A) and C)

Question 5

The fibers that get stuck between your teeth when you eat celery are

Accepted Answer

A)  sclerenchyma.
B)  meristems.
C)  trichomes.
D)  parenchyma.
E)  collenchyma.F) A) and D)
G) A) and E)

Question 6

Considering that leaf stomata have the conflicting functions of allowing gaseous carbon dioxide into the leaf,yet preserving the plant's supply of water,which of the following is not reasonable?

Accepted Answer

A)  Tree leaves that orient flat and present the top side to the sun would have most of their stomata on the bottom of the leaf.
B)  A submerged water plant would have no stomata.
C)  Corn,oats,rice,and wheat (all monocots) have relatively upright blades with sunlight hitting both sides and would have stomata distributed fairly evenly on both sides.
D)  Leaves of plants in dry areas will have more stomata than leaves of plants in humid areas.
E)  Plants in arid environments open their stomata at night when temperatures are cooler and evaporation occurs less.F) None of the above
G) B) and D)

Question 7

Which statement is NOT true regarding phloem transport during the summer in plants?

Accepted Answer

A)  The leaves must make sugar.
B)  A higher pressure exists in the leaves than in the roots.
C)  Water follows sugar into sieve-tube members in the leaves.
D)  Sugar is transported by passive diffusion into sieve-tube members.
E)  There is a fluid flow from the leaves to the roots.F) All of the above
G) None of the above

Question 8

Monocots differ from eudicots in that monocots have

Accepted Answer

A)  two cotyledons in the seed.
B)  leaf veins that are parallel.
C)  flower parts in 4s or 5s.
D)  stem vascular bundles in a distinct ring.
E)  phloem in a root located between areas of xylem.F) D) and E)
G) B) and D)

Question 9

Entrance of minerals into the vascular cylinder of a root are regulated by the

Accepted Answer

A)  cortex tissues.
B)  epidermis tissues.
C)  endodermis tissues.
D)  pericycle tissues.
E)  root hairs.F) All of the above
G) D) and E)

Question 10

The function of the spongy layer of a leaf is primarily

Accepted Answer

A)  photosynthesis.
B)  gas exchange.
C)  vascular transport.
D)  protein synthesis.
E)  as a shock absorber.F) A) and B)
G) B) and D)

Question 11

If you had a problematic hillside that continually eroded when it rained,plants with which type of roots would best solve your problem?

Accepted Answer

A)  adventitious
B)  taproots
C)  mycorrhizal
D)  fibrous
E)  haustoriaF) A) and D)
G) A) and C)

Question 12

In roots,which structure(s) increases surface area for the absorption of water and minerals from the soil?

Accepted Answer

A)  root hairs
B)  root cap
C)  Casparian strip
D)  vascular cylinder
E)  zone of elongationF) C) and D)
G) A) and D)

Question 13

A 15-foot tree growing in a fence row is used as a fence post to which barbed wire is stapled at a height of 5 feet.Years later,the tree is 30 feet high.The barbed wire of the fence is embedded in the tree bark at

Accepted Answer

A)  5 feet high,since the lengthening of the trunk occurs at the apical meristem.
B)  15 feet up,since the tree doubled in height.
C)  20 feet up,still 10 feet from the top of the tree.
D)  20 feet up,but because it added 15 feet to the original 5-foot height.
E)  10 feet up,half of the increase in size; the second half is an increase in the girth of the tree.F) A) and D)
G) A) and C)

Question 14

Which is NOT a correct association?

Accepted Answer

A)  strawberry-stolon
B)  onion-bulb
C)  iris-rhizome
D)  gladiolus-bulb
E)  potato-tuberF) C) and D)
G) A) and C)

Question 15

The tendrils that support vining plants are a type of stem.

Accepted Answer

A) True 
 B)False

Question 16

An aphid is an insect that has mouthparts to sip plant sap.When placed on an herbaceous stem,it soon has its mouthparts embedded and is withdrawing plant sap.Sometimes so much plant sap is taken that it cannot use all of it and the aphid secretes droplets of the sugar to attract ants that in turn protect and care for the aphids.What layer of cells has the aphid's mouthparts tapped?

Accepted Answer

A)  xylem
B)  phloem
C)  parenchyma
D)  trichomes
E)  collenchymaF) All of the above
G) A) and B)

Question 17

Which two structures are associated with the terminal bud?

Accepted Answer

A)  apical meristem and leaf primordia
B)  shoot tip and zone of maturation
C)  apical meristem and zone of cell division
D)  zone of cell division and leaf primordia
E)  None of the answer choices is associated with the terminal bud.F) All of the above
G) A) and B)

Question 18

Some plant leaves and stems are covered with hairs.

Accepted Answer

A) True 
 B)False

Question 19

Which cells are relatively unspecialized and correspond to a generalized plant cell?

Accepted Answer

A)  epidermal
B)  tracheid
C)  parenchyma
D)  sclerenchyma
E)  meristemF) A) and E)
G) A) and B)

Question 20

When you have waxed your car,rainfall makes very large droplets that roll around on the hood.This property where the water molecules stick together is known as

Accepted Answer

A)  adhesion.
B)  turgor pressure.
C)  cohesion.
D)  transpiration.
E)  negative pressure potential.F) D) and E)
G) A) and E)

Exam 9: Plant Organization and Function

Some plant leaves and stems are covered with hairs.

Correct Answer
verified

The waxy material known as the Casparian strip is found on

Correct Answer
verified

Considering that leaf stomata have the conflicting functions of allowing gaseous carbon dioxide into the leaf,yet preserving the plant's supply of water,which of the following is not reasonable?

Correct Answer
verified

Which statement is NOT true regarding phloem transport during the summer in plants?

Correct Answer
verified

A 15-foot tree growing in a fence row is used as a fence post to which barbed wire is stapled at a height of 5 feet.Years later,the tree is 30 feet high.The barbed wire of the fence is embedded in the tree bark at

Correct Answer
verified

Which cells are relatively unspecialized and correspond to a generalized plant cell?

Correct Answer
verified

Correct Answer
verified

Root hairs are found in which area of the root?

Correct Answer
verified

The function of the spongy layer of a leaf is primarily

Correct Answer
verified

Entrance of minerals into the vascular cylinder of a root are regulated by the

Correct Answer
verified

When you have waxed your car,rainfall makes very large droplets that roll around on the hood.This property where the water molecules stick together is known as

Correct Answer
verified

Which is NOT a correct association?

Correct Answer
verified

Which two structures are associated with the terminal bud?

Correct Answer
verified

The tendrils that support vining plants are a type of stem.

Correct Answer
verified

In roots,which structure(s) increases surface area for the absorption of water and minerals from the soil?

Correct Answer
verified

The fibers that get stuck between your teeth when you eat celery are

Correct Answer
verified

If you had a problematic hillside that continually eroded when it rained,plants with which type of roots would best solve your problem?

Correct Answer
verified

For water transport to occur there must be

Correct Answer
verified

Monocots differ from eudicots in that monocots have

Correct Answer
verified

The loss of water by evaporation from a leaf is termed

Correct Answer
verified

Exam 9: Plant Organization and Function

Some plant leaves and stems are covered with hairs.

Correct AnswerverifiedShow Answer

The waxy material known as the Casparian strip is found on

Correct AnswerverifiedShow Answer

Considering that leaf stomata have the conflicting functions of allowing gaseous carbon dioxide into the leaf,yet preserving the plant's supply of water,which of the following is not reasonable?

Correct AnswerverifiedShow Answer

Which statement is NOT true regarding phloem transport during the summer in plants?

Correct AnswerverifiedShow Answer

A 15-foot tree growing in a fence row is used as a fence post to which barbed wire is stapled at a height of 5 feet.Years later,the tree is 30 feet high.The barbed wire of the fence is embedded in the tree bark at

Correct AnswerverifiedShow Answer

Which cells are relatively unspecialized and correspond to a generalized plant cell?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Root hairs are found in which area of the root?

Correct AnswerverifiedShow Answer

The function of the spongy layer of a leaf is primarily

Correct AnswerverifiedShow Answer

Entrance of minerals into the vascular cylinder of a root are regulated by the

Correct AnswerverifiedShow Answer

When you have waxed your car,rainfall makes very large droplets that roll around on the hood.This property where the water molecules stick together is known as

Correct AnswerverifiedShow Answer

Which is NOT a correct association?

Correct AnswerverifiedShow Answer

Which two structures are associated with the terminal bud?

Correct AnswerverifiedShow Answer

The tendrils that support vining plants are a type of stem.

Correct AnswerverifiedShow Answer

In roots,which structure(s) increases surface area for the absorption of water and minerals from the soil?

Correct AnswerverifiedShow Answer

The fibers that get stuck between your teeth when you eat celery are

Correct AnswerverifiedShow Answer

If you had a problematic hillside that continually eroded when it rained,plants with which type of roots would best solve your problem?

Correct AnswerverifiedShow Answer

For water transport to occur there must be

Correct AnswerverifiedShow Answer

Monocots differ from eudicots in that monocots have

Correct AnswerverifiedShow Answer

The loss of water by evaporation from a leaf is termed

Correct AnswerverifiedShow Answer

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